Discussions By Condition: I cannot get a diagnosis.

6 months of testing still dont know

back in may my weight dropped over a stone in 6 weeks. i was eating as normal but i was having night sweats/hot flushes, if i put my hands out they would shake, and watery stools. gp thought thyroid problem they took 3 samples of blood and 3 weeks later said thyroid function test ok. my doctor refered me to a dietition and fortnightly check ups as my weight was so low. altho i was on increased calories i couldn't put weight on.they ran more tests liver function, endo, bone profile, myeloma screen, 12 things in all found low ferritin levels but normal blood count. got prescribed 610mg ferrous eumovate 3 times a day. they still doing tests but ive noticed i dont sleep properly im always cold like ice 24/7, i ache everywhere, my periods are very dark and thick, ive had pluracy twice.im going back to the gp this week and shes looking at my colon and is refering me for a camera down whats wrong with me? will they ever find out?any advice would be great, thanx for reading